VolumetricRenderTarget.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    VolumetricRenderTarget.h
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "EngineDefines.h"
#include "RendererInterface.h"
#include "RenderResource.h"
#include "VolumetricRenderTargetViewStateData.h"
 
class FScene;
class FViewInfo;
struct FSceneWithoutWaterTextures;
struct FMinimalSceneTextures;
 
void InitVolumetricRenderTargetForViews(FRDGBuilder& GraphBuilder, TArrayView<FViewInfo> Views, const FMinimalSceneTextures& SceneTextures);
void ResetVolumetricRenderTargetForViews(FRDGBuilder& GraphBuilder, TArrayView<FViewInfo> Views);
 
void ReconstructVolumetricRenderTarget(
    FRDGBuilder& GraphBuilder,
    TArrayView<FViewInfo> Views,
    FRDGTextureRef SceneDepthTexture,
    FRDGTextureRef HalfResolutionDepthCheckerboardMinMaxTexture,
    bool bWaitFinishFence);
 
void ComposeVolumetricRenderTargetOverScene(
    FRDGBuilder& GraphBuilder,
    TArrayView<FViewInfo> Views,
    FRDGTextureRef SceneColorTexture,
    FRDGTextureRef SceneDepthResolveTexture,
    bool bShouldRenderSingleLayerWater,
    const FSceneWithoutWaterTextures& WaterPassData,
    const FMinimalSceneTextures& SceneTextures);
 
void ComposeVolumetricRenderTargetOverSceneUnderWater(
    FRDGBuilder& GraphBuilder,
    TArrayView<FViewInfo> Views,
    const FSceneWithoutWaterTextures& WaterPassData,
    const FMinimalSceneTextures& SceneTextures);
 
void ComposeVolumetricRenderTargetOverSceneForVisualization(
    FRDGBuilder& GraphBuilder,
    TArrayView<FViewInfo> Views,
    FRDGTextureRef SceneColorTexture,
    const FMinimalSceneTextures& SceneTextures);
 
bool ShouldViewRenderVolumetricCloudRenderTarget(const FViewInfo& ViewInfo);
bool IsVolumetricRenderTargetEnabled();
bool IsVolumetricRenderTargetAsyncCompute();